Paludaria (or paludariums) usually consist of an enclosed container in which organisms specific to the biome being simulated are kept.
Paludaria can range in size from small, easily displayed boxes to biospheres large enough to contain entire trees.
Flora suited for paludaria include plants that thrive in very humid environments or wetland areas.
The areas occupied by land and by water must each be sufficiently large to meet the needs of the animals who will inhabit them.
[1] Paludaria can be made from small modifications to existing vivaria, by either adding water to a terrarium or land to an aquarium.